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Ultrasound Imaging of the Thoracic and Abdominal Aorta in Mice to Determine Aneurysm Dimensions
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Abdominal aortic aneurysms: an autoimmune disease?

Vamshi P Jagadesham1, D Julian A Scott, Simon R Carding

  • 1Institute of Molecular and Cellular Biology, University of Leeds, Leeds, LS2 9JT, UK.

Trends in Molecular Medicine
|November 5, 2008
PubMed
Summary

Abdominal aortic aneurysms (AAAs) involve chronic inflammation, potentially stemming from a mistaken autoimmune response against the aortic wall. Identifying specific targets could lead to new AAA treatments.

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Area of Science:

  • Vascular Biology
  • Immunology
  • Pathophysiology

Background:

  • Abdominal aortic aneurysms (AAAs) are complex vascular diseases characterized by inflammation.
  • The roles of innate and adaptive immunity in AAA development are increasingly understood.

Purpose of the Study:

  • To propose that chronic inflammation in AAAs results from a dysregulated autoimmune response.
  • To highlight the need for identifying specific molecular and cellular targets in AAA pathogenesis.

Main Methods:

  • Review of current vascular and molecular cell biology research.
  • Analysis of shared features between AAAs and autoimmune diseases.

Main Results:

  • AAAs exhibit genetic predisposition, organ specificity, and chronic inflammation, mirroring autoimmune conditions.
  • Evidence suggests an inappropriate, persistent autoimmune reaction against aortic wall components drives AAA inflammation.

Conclusions:

  • Chronic inflammation in AAAs is likely a consequence of a dysregulated autoimmune response.
  • Targeting specific molecular and cellular components involved in AAA formation is crucial for developing effective therapies.